{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1621883692",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2190ae4582e884fdf43f9030444604f668a9df7255e8969451851ab4059f525d",
    "signature": "0xa598749b85c3362be78cf33870bf086657880828568d10b0b5e10da6306dc810625e2abd839e13ab19322a328abf27105dc087fa38809053d0316219ad6b2d041b",
    "signer": "0x4810fE66B3A42DA4cb34b622aD9A069C293c6b86",
    "userId": "445042807"
  }
}